From: Peter 'p2' De Schrijver <peter.de-schrijver@xxxxxxxxx>
This patch modifies the clock, clockdomain and OMAP3 specific
powerdomain code to call the PM counter infrastructure whenever one or
more powerdomains might have changed state.
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@xxxxxxxxx>
Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-omap2/clock.c | 2 ++
arch/arm/mach-omap2/clockdomain.c | 3 +++
arch/arm/mach-omap2/pm34xx.c | 6 ++++++
3 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index b0665f1..8ccbd23 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -1041,5 +1041,7 @@ void omap2_clk_disable_unused(struct clk *clk)
omap2_clk_disable(clk);
} else
_omap2_clk_disable(clk);
+ if (clk->clkdm != NULL)
+ pwrdm_clkdm_state_switch(clk->clkdm);
}
#endif
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 26912a9..5b0b90b 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -574,6 +574,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
omap2_clkdm_wakeup(clkdm);
pwrdm_wait_transition(clkdm->pwrdm.ptr);
+ pwrdm_clkdm_state_switch(clkdm);
return 0;
}
@@ -626,6 +627,8 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
else
omap2_clkdm_sleep(clkdm);
+ pwrdm_clkdm_state_switch(clkdm);
+
return 0;
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 488d595..f197624 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -170,6 +170,8 @@ static void omap_sram_idle(void)
printk(KERN_ERR "Invalid mpu state in sram_idle\n");
return;
}
+ pwrdm_pre_transition();
+
omap2_gpio_prepare_for_retention();
omap_uart_prepare_idle(0);
omap_uart_prepare_idle(1);
@@ -182,6 +184,9 @@ static void omap_sram_idle(void)
omap_uart_resume_idle(1);
omap_uart_resume_idle(0);
omap2_gpio_resume_after_retention();
+
+ pwrdm_post_transition();
+
}
/*
@@ -271,6 +276,7 @@ static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
if (sleep_switch) {
omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
+ pwrdm_state_switch(pwrdm);
}
err:
--
1.6.4
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